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- Question
The viscous nature of a non-Newtonian fluid
Options- A. remains constant with time and power input
- B. changes with the level of power input and/or the length of time during which the fluid is mixed
- C. is similar to that of a perfect gas
- D. is similar to that of water
- Correct Answer
- changes with the level of power input and/or the length of time during which the fluid is mixed
- 1. Saccharomyces cerevisiae is being grown in a chemostat converts glucose to biomass, ethanol, glycerol and carbon dioxide. At steady state, the concentration of glucose, biomass, ethanol and glycerol will
Options- A. decrease with time
- B. increase with time
- C. be constant
- D. change randomly with time Discuss
- 2. When temporary hard water is boiled, one of the substances formed is
Options- A. calcium bicarbonate
- B. calcium sulfate
- C. hydrogen chloride
- D. carbon dioxide Discuss
- 3. Permanent hard water may be softened by passing it through
Options- A. sodium silicate
- B. sodium bicarbonate
- C. sodium hexametaphosphate
- D. sodium phosphate Discuss
- 4. Biomass concentrations during fermentation is
Options- A. diluting the samples to optical density less than 0.3
- B. monitored by controlling the changes in biomass concentrations
- C. considering that optical density is proportional to the surface area of the biomass in the sample
- D. all of the above Discuss
- 5. Which of the following can act as a shear protectorant?
Options- A. Serum
- B. Silicone oil
- C. Glucose
- D. Glutamic acid Discuss
- 6. The heat conduction in dry air is
Options- A. less rapid than in steam
- B. more rapid than in steam
- C. similar to steam
- D. none of these Discuss
- 7. The immobilized technique involving chemical method is
Options- A. covalent bond formation dependent
- B. non-covalent bond formation dependent
- C. both (a) and (b)
- D. ionic bond formation dependent Discuss
- 8. The Komologorov eddy size
Options- A. is constant at all stirrer speeds
- B. increases with stirrer speed
- C. decreases with stirrer speed
- D. becomes zero when the stirrer speed is very low Discuss
- 9. The slope of Lineweaver Burk plot for Michaelis Menten equation is
Options- A. Vmax/Km
- B. Km/Vmax
- C. 1/Km
- D. Km.Vmax Discuss
- 10. The active site of an enzyme differs from an antibody-antigen binding site in that the enzyme active site
Options- A. contains modified amino acids
- B. catalyzes a chemical reaction
- C. is complementary to a specific ligand
- D. contains amino acids without side chains Discuss
More questions
Correct Answer: be constant
Correct Answer: carbon dioxide
Correct Answer: sodium hexametaphosphate
Correct Answer: all of the above
Correct Answer: Serum
Correct Answer: less rapid than in steam
Correct Answer: covalent bond formation dependent
Correct Answer: decreases with stirrer speed
Correct Answer: Km/Vmax
Correct Answer: catalyzes a chemical reaction
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